Figure 4-33.Input shaft flange, removal and installation

TM 10-3930-634.34

(13) Install oil seal (21) in housing (7), and start

bearing cap in reverse of instructions shown in figure

shift rail (13) into the housing with detent notches fac-

4-37, A. Torque screws to 24 lb-ft.

ing down. Through opening in top of housing insert de-

(30) Install idler shaft nut on end of idler shaft

tent spring (15) and ball (14). Depress the ball and

(fig. 4-37, A). Block idler gear and tighten nut to

push the shift rail over the ball.

250-300 lb-ft torque.

(14) Assemble shift fork (18) and shift hub (17)

(31) Install new gasket on idler bearing cap.

with longest hubs of each facing in opposite directions.

Install idler bearing cap (fig. 4-37, A) and torque

Position assembly in disconnect housing (7), shift fork

screws to 24 lb-ft.

long hub facing the front, and install on end of shift

(32) Install parking brake (para 4-8).

rail (13). Aline setscrew hole in shift fork hub with

(33) Install the forward and second clutch as

dimple on the shift rail. Install setscrew (12) and

shown in figure 4-36, carefully engaging splines of in-

lockwire. Pull shift rail out as far as possible.

ner clutch discs with splines of second gear.

(15) Install inner retaining ring (19) in disconnect

( 3 4 ) Install input shaft (1, fig. 4-45) with

housing.

associated parts (1 through 7) in front cover (21) in

(16) Press bearing (20) onto disconnect shaft (16);

reverse of numerical sequence shown.

insert assembly into disconnect housing, engaging

(35) Install forward clutch front bearing retaining

large splines of shaft with shift hub (17). Install outer

ring in rear of front cover (fig. 4-34, C).

retaining ring (19).

(36) Install new gasket on face of transmission

(17) Press new seal (10) into disconnect housing

case and install front cover in reverse of instructions

(7). Seat the seal flush to 1/16 inch below the front face

in figure 4-34. Tighten capscrews to 39 lb-ft torque.

NOTE

of housing.

(18) Install cup plug (11) in the disconnect hous-

Retaining ring ears (fig. 4-34), must be

ing (7).

spread completely when installing front cov-

(19) Install a new preformed packing (8) on the

er, then released to engage groove in front

disconnect housing (7).

bearing of forward and second clutch.

(20) Install assembled disconnect assembly using

(37) Install front cover plug, and flange and sleeve

shims (9), selected in (12) above. Install screws (5) and

in reverse of instructions in figure 4-33. Tighten

washers (6). Tighten screws to 86 lb-ft of torque.

flange nut to 175-200 lb-ft torque.

(21) Install output flange (4), preformed packing

(38) Install control valve (para 4-7).

(3), flat washer (2) and flange nut (1). Block output

w. Installation. Install the transmission assembly

gear (29) and tighten nut (1) for 200 to 250 lb-ft of

(para. 2-6).

torque.

(22) Install low clutch assembly in rear of trans-

mission case in reverse of instructions in figure 4-41.

(23) Install reverse and third speed clutch and low

speed drive gear in reverse of instructions in figure

4-40.

(24) Install fourth speed clutch as shown in figure

4-39.

(25) Install low clutch rear bearing (fig. 4-59),

with retaining ring groove to the rear.

(26) Position new gasket on transmission case and

install rear cover as instructed in figure 4-60.

NOTE

Be sure lock ball is in place and positioned

properly to receive the rear cover (fig. 4-60,

A).

(27) From front of transmission case, tap low

c l u t c h and idler shaft to rear, using a rawhide

hammer, to allow clearance to install rear bearing

retaining rings.

(28) Install low clutch and idler shaft bearing

locating rings in reverse of instructions in figure 4-37,

B and C.

(29) Install two piston rings on low clutch shaft.

Install new gasket and packing and install low shaft

4-25